688748248 has 32 divisors (see below), whose sum is σ = 1354462560. Its totient is φ = 327712000.

The previous prime is 688748239. The next prime is 688748287. The reversal of 688748248 is 842847886.

688748248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26748 + ... + 45748.

It is an arithmetic number, because the mean of its divisors is an integer number (42326955).

Almost surely, 2^688748248 is an apocalyptic number.

It is an amenable number.

688748248 is a deficient number, since it is larger than the sum of its proper divisors (665714312).

688748248 is a wasteful number, since it uses less digits than its factorization.

688748248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19227 (or 19223 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 55.

The square root of 688748248 is about 26244.0135650018. The cubic root of 688748248 is about 883.1209124281.

The spelling of 688748248 in words is "six hundred eighty-eight million, seven hundred forty-eight thousand, two hundred forty-eight".